<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <h1>身体质量指数测试</h1>
  <input type="text" placeholder="身高(米)">
  <input type="text" placeholder="体重(公斤)">
  <input type="button" value="开始测试" @click="f()">
  <h2>{{info}}</h2>
</div>
<!--引入axios和vue框架文件-->
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
            info:"",h:"",w:""
        },
        methods:{
            f(){
                //发出异步请求,吧身高体重传递到服务器
                axios.get("/bmi?h="+v.h+"&w="+v.w).then(function (response) {
                    v.info = response.data;
                })
            }
        }
    })
</script>

</body>
</html>